Universal socket



FIG. 1 is a rear elevation view of a universal socket showing my new design;

FIG. 2 is a right elevation view;

FIG. 3 is a left elevation view; and,

FIG. 4 is an isometric view of a universal socket.

The broken lines shown in FIGS. 2 and 3 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a universal socket, as shown and described. 